/*! adapterjs - v0.11.1 - 2015-07-28 */

// Adapter's interface.
var AdapterJS = AdapterJS || {};

// Browserify compatibility
if(typeof exports !== 'undefined') {
    module.exports = AdapterJS;
}

AdapterJS.options = AdapterJS.options || {};

// uncomment to get virtual webcams
// AdapterJS.options.getAllCams = true;

// uncomment to prevent the install prompt when the plugin in not yet installed
// AdapterJS.options.hidePluginInstallPrompt = true;

// AdapterJS version
AdapterJS.VERSION = '0.11.1';

// This function will be called when the WebRTC API is ready to be used
// Whether it is the native implementation (Chrome, Firefox, Opera) or
// the plugin
// You may Override this function to synchronise the start of your application
// with the WebRTC API being ready.
// If you decide not to override use this synchronisation, it may result in
// an extensive CPU usage on the plugin start (once per tab loaded)
// Params:
//    - isUsingPlugin: true is the WebRTC plugin is being used, false otherwise
//
AdapterJS.onwebrtcready = AdapterJS.onwebrtcready || function(isUsingPlugin) {
        // The WebRTC API is ready.
        // Override me and do whatever you want here
    };

// Sets a callback function to be called when the WebRTC interface is ready.
// The first argument is the function to callback.\
// Throws an error if the first argument is not a function
AdapterJS.webRTCReady = function (callback) {
    if (typeof callback !== 'function') {
        throw new Error('Callback provided is not a function');
    }

    if (true === AdapterJS.onwebrtcreadyDone) {
        // All WebRTC interfaces are ready, just call the callback
        callback(null !== AdapterJS.WebRTCPlugin.plugin);
    } else {
        // will be triggered automatically when your browser/plugin is ready.
        AdapterJS.onwebrtcready = callback;
    }
};

// Plugin namespace
AdapterJS.WebRTCPlugin = AdapterJS.WebRTCPlugin || {};

// The object to store plugin information
AdapterJS.WebRTCPlugin.pluginInfo = {
    prefix : 'Tem',
    plugName : 'TemWebRTCPlugin',
    pluginId : 'plugin0',
    type : 'application/x-temwebrtcplugin',
    onload : '__TemWebRTCReady0',
    portalLink : 'http://skylink.io/plugin/',
    downloadLink : null, //set below
    companyName: 'Temasys'
};
if(!!navigator.platform.match(/^Mac/i)) {
    AdapterJS.WebRTCPlugin.pluginInfo.downloadLink = 'http://bit.ly/1n77hco';
}
else if(!!navigator.platform.match(/^Win/i)) {
    AdapterJS.WebRTCPlugin.pluginInfo.downloadLink = 'http://bit.ly/1kkS4FN';
}

// Unique identifier of each opened page
AdapterJS.WebRTCPlugin.pageId = Math.random().toString(36).slice(2);

// Use this whenever you want to call the plugin.
AdapterJS.WebRTCPlugin.plugin = null;

// Set log level for the plugin once it is ready.
// The different values are
// This is an asynchronous function that will run when the plugin is ready
AdapterJS.WebRTCPlugin.setLogLevel = null;

// Defines webrtc's JS interface according to the plugin's implementation.
// Define plugin Browsers as WebRTC Interface.
AdapterJS.WebRTCPlugin.defineWebRTCInterface = null;

// This function detects whether or not a plugin is installed.
// Checks if Not IE (firefox, for example), else if it's IE,
// we're running IE and do something. If not it is not supported.
AdapterJS.WebRTCPlugin.isPluginInstalled = null;

// Lets adapter.js wait until the the document is ready before injecting the plugin
AdapterJS.WebRTCPlugin.pluginInjectionInterval = null;

// Inject the HTML DOM object element into the page.
AdapterJS.WebRTCPlugin.injectPlugin = null;

// States of readiness that the plugin goes through when
// being injected and stated
AdapterJS.WebRTCPlugin.PLUGIN_STATES = {
    NONE : 0,           // no plugin use
    INITIALIZING : 1,   // Detected need for plugin
    INJECTING : 2,      // Injecting plugin
    INJECTED: 3,        // Plugin element injected but not usable yet
    READY: 4            // Plugin ready to be used
};

// Current state of the plugin. You cannot use the plugin before this is
// equal to AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY
AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.NONE;

// True is AdapterJS.onwebrtcready was already called, false otherwise
// Used to make sure AdapterJS.onwebrtcready is only called once
AdapterJS.onwebrtcreadyDone = false;

// Log levels for the plugin.
// To be set by calling AdapterJS.WebRTCPlugin.setLogLevel
/*
 Log outputs are prefixed in some cases.
 INFO: Information reported by the plugin.
 ERROR: Errors originating from within the plugin.
 WEBRTC: Error originating from within the libWebRTC library
 */
// From the least verbose to the most verbose
AdapterJS.WebRTCPlugin.PLUGIN_LOG_LEVELS = {
    NONE : 'NONE',
    ERROR : 'ERROR',
    WARNING : 'WARNING',
    INFO: 'INFO',
    VERBOSE: 'VERBOSE',
    SENSITIVE: 'SENSITIVE'
};

// Does a waiting check before proceeding to load the plugin.
AdapterJS.WebRTCPlugin.WaitForPluginReady = null;

// This methid will use an interval to wait for the plugin to be ready.
AdapterJS.WebRTCPlugin.callWhenPluginReady = null;

// !!!! WARNING: DO NOT OVERRIDE THIS FUNCTION. !!!
// This function will be called when plugin is ready. It sends necessary
// details to the plugin.
// The function will wait for the document to be ready and the set the
// plugin state to AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY,
// indicating that it can start being requested.
// This function is not in the IE/Safari condition brackets so that
// TemPluginLoaded function might be called on Chrome/Firefox.
// This function is the only private function that is not encapsulated to
// allow the plugin method to be called.
__TemWebRTCReady0 = function () {
    if (document.readyState === 'complete') {
        AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY;

        AdapterJS.maybeThroughWebRTCReady();
    } else {
        AdapterJS.WebRTCPlugin.documentReadyInterval = setInterval(function () {
            if (document.readyState === 'complete') {
                // TODO: update comments, we wait for the document to be ready
                clearInterval(AdapterJS.WebRTCPlugin.documentReadyInterval);
                AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY;

                AdapterJS.maybeThroughWebRTCReady();
            }
        }, 100);
    }
};

AdapterJS.maybeThroughWebRTCReady = function() {
    if (!AdapterJS.onwebrtcreadyDone) {
        AdapterJS.onwebrtcreadyDone = true;

        if (typeof(AdapterJS.onwebrtcready) === 'function') {
            AdapterJS.onwebrtcready(AdapterJS.WebRTCPlugin.plugin !== null);
        }
    }
};

// Text namespace
AdapterJS.TEXT = {
    PLUGIN: {
        REQUIRE_INSTALLATION: 'This website requires you to install a WebRTC-enabling plugin ' +
        'to work on this browser.',
        NOT_SUPPORTED: 'Your browser does not support WebRTC.',
        BUTTON: 'Install Now'
    },
    REFRESH: {
        REQUIRE_REFRESH: 'Please refresh page',
        BUTTON: 'Refresh Page'
    }
};

// The result of ice connection states.
// - starting: Ice connection is starting.
// - checking: Ice connection is checking.
// - connected Ice connection is connected.
// - completed Ice connection is connected.
// - done Ice connection has been completed.
// - disconnected Ice connection has been disconnected.
// - failed Ice connection has failed.
// - closed Ice connection is closed.
AdapterJS._iceConnectionStates = {
    starting : 'starting',
    checking : 'checking',
    connected : 'connected',
    completed : 'connected',
    done : 'completed',
    disconnected : 'disconnected',
    failed : 'failed',
    closed : 'closed'
};

//The IceConnection states that has been fired for each peer.
AdapterJS._iceConnectionFiredStates = [];


// Check if WebRTC Interface is defined.
AdapterJS.isDefined = null;

// This function helps to retrieve the webrtc detected browser information.
// This sets:
// - webrtcDetectedBrowser: The browser agent name.
// - webrtcDetectedVersion: The browser version.
// - webrtcDetectedType: The types of webRTC support.
//   - 'moz': Mozilla implementation of webRTC.
//   - 'webkit': WebKit implementation of webRTC.
//   - 'plugin': Using the plugin implementation.
AdapterJS.parseWebrtcDetectedBrowser = function () {
    var hasMatch, checkMatch = navigator.userAgent.match(
            /(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
    if (/trident/i.test(checkMatch[1])) {
        hasMatch = /\brv[ :]+(\d+)/g.exec(navigator.userAgent) || [];
        webrtcDetectedBrowser = 'IE';
        webrtcDetectedVersion = parseInt(hasMatch[1] || '0', 10);
    } else if (checkMatch[1] === 'Chrome') {
        hasMatch = navigator.userAgent.match(/\bOPR\/(\d+)/);
        if (hasMatch !== null) {
            webrtcDetectedBrowser = 'opera';
            webrtcDetectedVersion = parseInt(hasMatch[1], 10);
        }
    }
    if (navigator.userAgent.indexOf('Safari')) {
        if (typeof InstallTrigger !== 'undefined') {
            webrtcDetectedBrowser = 'firefox';
        } else if (/*@cc_on!@*/ false || !!document.documentMode) {
            webrtcDetectedBrowser = 'IE';
        } else if (
            Object.prototype.toString.call(window.HTMLElement).indexOf('Constructor') > 0) {
            webrtcDetectedBrowser = 'safari';
        } else if (!!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0) {
            webrtcDetectedBrowser = 'opera';
        } else if (!!window.chrome) {
            webrtcDetectedBrowser = 'chrome';
        }
    }
    if (!webrtcDetectedBrowser) {
        webrtcDetectedVersion = checkMatch[1];
    }
    if (!webrtcDetectedVersion) {
        try {
            checkMatch = (checkMatch[2]) ? [checkMatch[1], checkMatch[2]] :
                [navigator.appName, navigator.appVersion, '-?'];
            if ((hasMatch = navigator.userAgent.match(/version\/(\d+)/i)) !== null) {
                checkMatch.splice(1, 1, hasMatch[1]);
            }
            webrtcDetectedVersion = parseInt(checkMatch[1], 10);
        } catch (error) { }
    }
};

// To fix configuration as some browsers does not support
// the 'urls' attribute.
AdapterJS.maybeFixConfiguration = function (pcConfig) {
    if (pcConfig === null) {
        return;
    }
    for (var i = 0; i < pcConfig.iceServers.length; i++) {
        if (pcConfig.iceServers[i].hasOwnProperty('urls')) {
            pcConfig.iceServers[i].url = pcConfig.iceServers[i].urls;
            delete pcConfig.iceServers[i].urls;
        }
    }
};

AdapterJS.addEvent = function(elem, evnt, func) {
    if (elem.addEventListener) { // W3C DOM
        elem.addEventListener(evnt, func, false);
    } else if (elem.attachEvent) {// OLD IE DOM
        elem.attachEvent('on'+evnt, func);
    } else { // No much to do
        elem[evnt] = func;
    }
};

AdapterJS.renderNotificationBar = function (text, buttonText, buttonLink, openNewTab, displayRefreshBar) {
    // only inject once the page is ready
    if (document.readyState !== 'complete') {
        return;
    }

    var w = window;
    var i = document.createElement('iframe');
    i.style.position = 'fixed';
    i.style.top = '-41px';
    i.style.left = 0;
    i.style.right = 0;
    i.style.width = '100%';
    i.style.height = '40px';
    i.style.backgroundColor = '#ffffe1';
    i.style.border = 'none';
    i.style.borderBottom = '1px solid #888888';
    i.style.zIndex = '9999999';
    if(typeof i.style.webkitTransition === 'string') {
        i.style.webkitTransition = 'all .5s ease-out';
    } else if(typeof i.style.transition === 'string') {
        i.style.transition = 'all .5s ease-out';
    }
    document.body.appendChild(i);
    c = (i.contentWindow) ? i.contentWindow :
        (i.contentDocument.document) ? i.contentDocument.document : i.contentDocument;
    c.document.open();
    c.document.write('<span style="display: inline-block; font-family: Helvetica, Arial,' +
        'sans-serif; font-size: .9rem; padding: 4px; vertical-align: ' +
        'middle; cursor: default;">' + text + '</span>');
    if(buttonText && buttonLink) {
        c.document.write('<button id="okay">' + buttonText + '</button><button>Cancel</button>');
        c.document.close();

        AdapterJS.addEvent(c.document.getElementById('okay'), 'click', function(e) {
            if (!!displayRefreshBar) {
                AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION ?
                        AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH : AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,
                    AdapterJS.TEXT.REFRESH.BUTTON, 'javascript:location.reload()');
            }
            window.open(buttonLink, !!openNewTab ? '_blank' : '_top');

            e.preventDefault();
            try {
                event.cancelBubble = true;
            } catch(error) { }

            var pluginInstallInterval = setInterval(function(){
                if(! isIE) {
                    navigator.plugins.refresh(false);
                }
                AdapterJS.WebRTCPlugin.isPluginInstalled(
                    AdapterJS.WebRTCPlugin.pluginInfo.prefix,
                    AdapterJS.WebRTCPlugin.pluginInfo.plugName,
                    AdapterJS.WebRTCPlugin.defineWebRTCInterface,
                    function() { //Does nothing because not used here
                    });
            } , 500);
        });

    }else {
        c.document.close();
    }
    AdapterJS.addEvent(c.document, 'click', function() {
        w.document.body.removeChild(i);
    });
    setTimeout(function() {
        if(typeof i.style.webkitTransform === 'string') {
            i.style.webkitTransform = 'translateY(40px)';
        } else if(typeof i.style.transform === 'string') {
            i.style.transform = 'translateY(40px)';
        } else {
            i.style.top = '0px';
        }
    }, 300);
};

// -----------------------------------------------------------
// Detected webrtc implementation. Types are:
// - 'moz': Mozilla implementation of webRTC.
// - 'webkit': WebKit implementation of webRTC.
// - 'plugin': Using the plugin implementation.
webrtcDetectedType = null;

// Detected webrtc datachannel support. Types are:
// - 'SCTP': SCTP datachannel support.
// - 'RTP': RTP datachannel support.
webrtcDetectedDCSupport = null;

// Set the settings for creating DataChannels, MediaStream for
// Cross-browser compability.
// - This is only for SCTP based support browsers.
// the 'urls' attribute.
checkMediaDataChannelSettings =
    function (peerBrowserAgent, peerBrowserVersion, callback, constraints) {
        if (typeof callback !== 'function') {
            return;
        }
        var beOfferer = true;
        var isLocalFirefox = webrtcDetectedBrowser === 'firefox';
        // Nightly version does not require MozDontOfferDataChannel for interop
        var isLocalFirefoxInterop = webrtcDetectedType === 'moz' && webrtcDetectedVersion > 30;
        var isPeerFirefox = peerBrowserAgent === 'firefox';
        var isPeerFirefoxInterop = peerBrowserAgent === 'firefox' &&
            ((peerBrowserVersion) ? (peerBrowserVersion > 30) : false);

        // Resends an updated version of constraints for MozDataChannel to work
        // If other userAgent is firefox and user is firefox, remove MozDataChannel
        if ((isLocalFirefox && isPeerFirefox) || (isLocalFirefoxInterop)) {
            try {
                delete constraints.mandatory.MozDontOfferDataChannel;
            } catch (error) {
                console.error('Failed deleting MozDontOfferDataChannel');
                console.error(error);
            }
        } else if ((isLocalFirefox && !isPeerFirefox)) {
            constraints.mandatory.MozDontOfferDataChannel = true;
        }
        if (!isLocalFirefox) {
            // temporary measure to remove Moz* constraints in non Firefox browsers
            for (var prop in constraints.mandatory) {
                if (constraints.mandatory.hasOwnProperty(prop)) {
                    if (prop.indexOf('Moz') !== -1) {
                        delete constraints.mandatory[prop];
                    }
                }
            }
        }
        // Firefox (not interopable) cannot offer DataChannel as it will cause problems to the
        // interopability of the media stream
        if (isLocalFirefox && !isPeerFirefox && !isLocalFirefoxInterop) {
            beOfferer = false;
        }
        callback(beOfferer, constraints);
    };

// Handles the differences for all browsers ice connection state output.
// - Tested outcomes are:
//   - Chrome (offerer)  : 'checking' > 'completed' > 'completed'
//   - Chrome (answerer) : 'checking' > 'connected'
//   - Firefox (offerer) : 'checking' > 'connected'
//   - Firefox (answerer): 'checking' > 'connected'
checkIceConnectionState = function (peerId, iceConnectionState, callback) {
    if (typeof callback !== 'function') {
        console.warn('No callback specified in checkIceConnectionState. Aborted.');
        return;
    }
    peerId = (peerId) ? peerId : 'peer';

    if (!AdapterJS._iceConnectionFiredStates[peerId] ||
        iceConnectionState === AdapterJS._iceConnectionStates.disconnected ||
        iceConnectionState === AdapterJS._iceConnectionStates.failed ||
        iceConnectionState === AdapterJS._iceConnectionStates.closed) {
        AdapterJS._iceConnectionFiredStates[peerId] = [];
    }
    iceConnectionState = AdapterJS._iceConnectionStates[iceConnectionState];
    if (AdapterJS._iceConnectionFiredStates[peerId].indexOf(iceConnectionState) < 0) {
        AdapterJS._iceConnectionFiredStates[peerId].push(iceConnectionState);
        if (iceConnectionState === AdapterJS._iceConnectionStates.connected) {
            setTimeout(function () {
                AdapterJS._iceConnectionFiredStates[peerId]
                    .push(AdapterJS._iceConnectionStates.done);
                callback(AdapterJS._iceConnectionStates.done);
            }, 1000);
        }
        callback(iceConnectionState);
    }
    return;
};

// Firefox:
// - Creates iceServer from the url for Firefox.
// - Create iceServer with stun url.
// - Create iceServer with turn url.
//   - Ignore the transport parameter from TURN url for FF version <=27.
//   - Return null for createIceServer if transport=tcp.
// - FF 27 and above supports transport parameters in TURN url,
// - So passing in the full url to create iceServer.
// Chrome:
// - Creates iceServer from the url for Chrome M33 and earlier.
//   - Create iceServer with stun url.
//   - Chrome M28 & above uses below TURN format.
// Plugin:
// - Creates Ice Server for Plugin Browsers
//   - If Stun - Create iceServer with stun url.
//   - Else - Create iceServer with turn url
//   - This is a WebRTC Function
createIceServer = null;

// Firefox:
// - Creates IceServers for Firefox
//   - Use .url for FireFox.
//   - Multiple Urls support
// Chrome:
// - Creates iceServers from the urls for Chrome M34 and above.
//   - .urls is supported since Chrome M34.
//   - Multiple Urls support
// Plugin:
// - Creates Ice Servers for Plugin Browsers
//   - Multiple Urls support
//   - This is a WebRTC Function
createIceServers = null;
//------------------------------------------------------------

//The RTCPeerConnection object.
RTCPeerConnection = null;

// Creates RTCSessionDescription object for Plugin Browsers
RTCSessionDescription = (typeof RTCSessionDescription === 'function') ?
    RTCSessionDescription : null;

// Creates RTCIceCandidate object for Plugin Browsers
RTCIceCandidate = (typeof RTCIceCandidate === 'function') ?
    RTCIceCandidate : null;

// Get UserMedia (only difference is the prefix).
// Code from Adam Barth.
getUserMedia = null;

// Attach a media stream to an element.
attachMediaStream = null;

// Re-attach a media stream to an element.
reattachMediaStream = null;


// Detected browser agent name. Types are:
// - 'firefox': Firefox browser.
// - 'chrome': Chrome browser.
// - 'opera': Opera browser.
// - 'safari': Safari browser.
// - 'IE' - Internet Explorer browser.
webrtcDetectedBrowser = null;

// Detected browser version.
webrtcDetectedVersion = null;

// Check for browser types and react accordingly
if (navigator.mozGetUserMedia) {
    webrtcDetectedBrowser = 'firefox';
    webrtcDetectedVersion = parseInt(navigator
        .userAgent.match(/Firefox\/([0-9]+)\./)[1], 10);
    webrtcDetectedType = 'moz';
    webrtcDetectedDCSupport = 'SCTP';

    RTCPeerConnection = function (pcConfig, pcConstraints) {
        AdapterJS.maybeFixConfiguration(pcConfig);
        return new mozRTCPeerConnection(pcConfig, pcConstraints);
    };

    // The RTCSessionDescription object.
    RTCSessionDescription = mozRTCSessionDescription;
    window.RTCSessionDescription = RTCSessionDescription;

    // The RTCIceCandidate object.
    RTCIceCandidate = mozRTCIceCandidate;
    window.RTCIceCandidate = RTCIceCandidate;

    window.getUserMedia = navigator.mozGetUserMedia.bind(navigator);
    navigator.getUserMedia = window.getUserMedia;

    // Shim for MediaStreamTrack.getSources.
    MediaStreamTrack.getSources = function(successCb) {
        setTimeout(function() {
            var infos = [
                { kind: 'audio', id: 'default', label:'', facing:'' },
                { kind: 'video', id: 'default', label:'', facing:'' }
            ];
            successCb(infos);
        }, 0);
    };

    createIceServer = function (url, username, password) {
        var iceServer = null;
        var url_parts = url.split(':');
        if (url_parts[0].indexOf('stun') === 0) {
            iceServer = { url : url };
        } else if (url_parts[0].indexOf('turn') === 0) {
            if (webrtcDetectedVersion < 27) {
                var turn_url_parts = url.split('?');
                if (turn_url_parts.length === 1 ||
                    turn_url_parts[1].indexOf('transport=udp') === 0) {
                    iceServer = {
                        url : turn_url_parts[0],
                        credential : password,
                        username : username
                    };
                }
            } else {
                iceServer = {
                    url : url,
                    credential : password,
                    username : username
                };
            }
        }
        return iceServer;
    };

    createIceServers = function (urls, username, password) {
        var iceServers = [];
        for (i = 0; i < urls.length; i++) {
            var iceServer = createIceServer(urls[i], username, password);
            if (iceServer !== null) {
                iceServers.push(iceServer);
            }
        }
        return iceServers;
    };

    attachMediaStream = function (element, stream) {
        element.mozSrcObject = stream;
        if (stream !== null)
            element.play();

        return element;
    };

    reattachMediaStream = function (to, from) {
        to.mozSrcObject = from.mozSrcObject;
        to.play();
        return to;
    };

    MediaStreamTrack.getSources = MediaStreamTrack.getSources || function (callback) {
            if (!callback) {
                throw new TypeError('Failed to execute \'getSources\' on \'MediaStreamTrack\'' +
                    ': 1 argument required, but only 0 present.');
            }
            return callback([]);
        };

    // Fake get{Video,Audio}Tracks
    if (!MediaStream.prototype.getVideoTracks) {
        MediaStream.prototype.getVideoTracks = function () {
            return [];
        };
    }
    if (!MediaStream.prototype.getAudioTracks) {
        MediaStream.prototype.getAudioTracks = function () {
            return [];
        };
    }

    AdapterJS.maybeThroughWebRTCReady();
} else if (navigator.webkitGetUserMedia) {
    webrtcDetectedBrowser = 'chrome';
    webrtcDetectedType = 'webkit';
    webrtcDetectedVersion = parseInt(navigator
        .userAgent.match(/Chrom(e|ium)\/([0-9]+)\./)[2], 10);
    // check if browser is opera 20+
    var checkIfOpera = navigator.userAgent.match(/\bOPR\/(\d+)/);
    if (checkIfOpera !== null) {
        webrtcDetectedBrowser = 'opera';
        webrtcDetectedVersion = parseInt(checkIfOpera[1], 10);
    }
    // check browser datachannel support
    if ((webrtcDetectedBrowser === 'chrome' && webrtcDetectedVersion >= 31) ||
        (webrtcDetectedBrowser === 'opera' && webrtcDetectedVersion >= 20)) {
        webrtcDetectedDCSupport = 'SCTP';
    } else if (webrtcDetectedBrowser === 'chrome' && webrtcDetectedVersion < 30 &&
        webrtcDetectedVersion > 24) {
        webrtcDetectedDCSupport = 'RTP';
    } else {
        webrtcDetectedDCSupport = '';
    }

    createIceServer = function (url, username, password) {
        var iceServer = null;
        var url_parts = url.split(':');
        if (url_parts[0].indexOf('stun') === 0) {
            iceServer = { 'url' : url };
        } else if (url_parts[0].indexOf('turn') === 0) {
            iceServer = {
                'url' : url,
                'credential' : password,
                'username' : username
            };
        }
        return iceServer;
    };

    createIceServers = function (urls, username, password) {
        var iceServers = [];
        if (webrtcDetectedVersion >= 34) {
            iceServers = {
                'urls' : urls,
                'credential' : password,
                'username' : username
            };
        } else {
            for (i = 0; i < urls.length; i++) {
                var iceServer = createIceServer(urls[i], username, password);
                if (iceServer !== null) {
                    iceServers.push(iceServer);
                }
            }
        }
        return iceServers;
    };

    RTCPeerConnection = function (pcConfig, pcConstraints) {
        if (webrtcDetectedVersion < 34) {
            AdapterJS.maybeFixConfiguration(pcConfig);
        }
        return new webkitRTCPeerConnection(pcConfig, pcConstraints);
    };

    window.getUserMedia = navigator.webkitGetUserMedia.bind(navigator);
    navigator.getUserMedia = window.getUserMedia;

    attachMediaStream = function (element, stream) {
        if (typeof element.srcObject !== 'undefined') {
            element.srcObject = stream;
        } else if (typeof element.mozSrcObject !== 'undefined') {
            element.mozSrcObject = stream;
        } else if (typeof element.src !== 'undefined') {
            element.src = (stream === null ? '' : URL.createObjectURL(stream));
        } else {
            console.log('Error attaching stream to element.');
        }
        return element;
    };

    reattachMediaStream = function (to, from) {
        to.src = from.src;
        return to;
    };

    AdapterJS.maybeThroughWebRTCReady();
} else { // TRY TO USE PLUGIN
         // IE 9 is not offering an implementation of console.log until you open a console
    if (typeof console !== 'object' || typeof console.log !== 'function') {
        /* jshint -W020 */
        console = {} || console;
        // Implemented based on console specs from MDN
        // You may override these functions
        console.log = function (arg) {};
        console.info = function (arg) {};
        console.error = function (arg) {};
        console.dir = function (arg) {};
        console.exception = function (arg) {};
        console.trace = function (arg) {};
        console.warn = function (arg) {};
        console.count = function (arg) {};
        console.debug = function (arg) {};
        console.count = function (arg) {};
        console.time = function (arg) {};
        console.timeEnd = function (arg) {};
        console.group = function (arg) {};
        console.groupCollapsed = function (arg) {};
        console.groupEnd = function (arg) {};
        /* jshint +W020 */
    }
    webrtcDetectedType = 'plugin';
    webrtcDetectedDCSupport = 'plugin';
    AdapterJS.parseWebrtcDetectedBrowser();
    isIE = webrtcDetectedBrowser === 'IE';

    /* jshint -W035 */
    AdapterJS.WebRTCPlugin.WaitForPluginReady = function() {
        while (AdapterJS.WebRTCPlugin.pluginState !== AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY) {
            /* empty because it needs to prevent the function from running. */
        }
    };
    /* jshint +W035 */

    AdapterJS.WebRTCPlugin.callWhenPluginReady = function (callback) {
        if (AdapterJS.WebRTCPlugin.pluginState === AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY) {
            // Call immediately if possible
            // Once the plugin is set, the code will always take this path
            callback();
        } else {
            // otherwise start a 100ms interval
            var checkPluginReadyState = setInterval(function () {
                if (AdapterJS.WebRTCPlugin.pluginState === AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY) {
                    clearInterval(checkPluginReadyState);
                    callback();
                }
            }, 100);
        }
    };

    AdapterJS.WebRTCPlugin.setLogLevel = function(logLevel) {
        AdapterJS.WebRTCPlugin.callWhenPluginReady(function() {
            AdapterJS.WebRTCPlugin.plugin.setLogLevel(logLevel);
        });
    };

    AdapterJS.WebRTCPlugin.injectPlugin = function () {
        // only inject once the page is ready
        if (document.readyState !== 'complete') {
            return;
        }

        // Prevent multiple injections
        if (AdapterJS.WebRTCPlugin.pluginState !== AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING) {
            return;
        }

        AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTING;

        if (webrtcDetectedBrowser === 'IE' && webrtcDetectedVersion <= 10) {
            var frag = document.createDocumentFragment();
            AdapterJS.WebRTCPlugin.plugin = document.createElement('div');
            AdapterJS.WebRTCPlugin.plugin.innerHTML = '<object id="' +
                AdapterJS.WebRTCPlugin.pluginInfo.pluginId + '" type="' +
                AdapterJS.WebRTCPlugin.pluginInfo.type + '" ' + 'width="1" height="1">' +
                '<param name="pluginId" value="' +
                AdapterJS.WebRTCPlugin.pluginInfo.pluginId + '" /> ' +
                '<param name="windowless" value="false" /> ' +
                '<param name="pageId" value="' + AdapterJS.WebRTCPlugin.pageId + '" /> ' +
                '<param name="onload" value="' + AdapterJS.WebRTCPlugin.pluginInfo.onload +
                '" />' +
                // uncomment to be able to use virtual cams
                (AdapterJS.options.getAllCams ? '<param name="forceGetAllCams" value="True" />':'') +

                '</object>';
            while (AdapterJS.WebRTCPlugin.plugin.firstChild) {
                frag.appendChild(AdapterJS.WebRTCPlugin.plugin.firstChild);
            }
            document.body.appendChild(frag);

            // Need to re-fetch the plugin
            AdapterJS.WebRTCPlugin.plugin =
                document.getElementById(AdapterJS.WebRTCPlugin.pluginInfo.pluginId);
        } else {
            // Load Plugin
            AdapterJS.WebRTCPlugin.plugin = document.createElement('object');
            AdapterJS.WebRTCPlugin.plugin.id =
                AdapterJS.WebRTCPlugin.pluginInfo.pluginId;
            // IE will only start the plugin if it's ACTUALLY visible
            if (isIE) {
                AdapterJS.WebRTCPlugin.plugin.width = '1px';
                AdapterJS.WebRTCPlugin.plugin.height = '1px';
            } else { // The size of the plugin on Safari should be 0x0px
                // so that the autorisation prompt is at the top
                AdapterJS.WebRTCPlugin.plugin.width = '0px';
                AdapterJS.WebRTCPlugin.plugin.height = '0px';
            }
            AdapterJS.WebRTCPlugin.plugin.type = AdapterJS.WebRTCPlugin.pluginInfo.type;
            AdapterJS.WebRTCPlugin.plugin.innerHTML = '<param name="onload" value="' +
                AdapterJS.WebRTCPlugin.pluginInfo.onload + '">' +
                '<param name="pluginId" value="' +
                AdapterJS.WebRTCPlugin.pluginInfo.pluginId + '">' +
                '<param name="windowless" value="false" /> ' +
                (AdapterJS.options.getAllCams ? '<param name="forceGetAllCams" value="True" />':'') +
                '<param name="pageId" value="' + AdapterJS.WebRTCPlugin.pageId + '">';
            document.body.appendChild(AdapterJS.WebRTCPlugin.plugin);
        }


        AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTED;
    };

    AdapterJS.WebRTCPlugin.isPluginInstalled =
        function (comName, plugName, installedCb, notInstalledCb) {
            if (!isIE) {
                var pluginArray = navigator.plugins;
                for (var i = 0; i < pluginArray.length; i++) {
                    if (pluginArray[i].name.indexOf(plugName) >= 0) {
                        installedCb();
                        return;
                    }
                }
                notInstalledCb();
            } else {
                try {
                    var axo = new ActiveXObject(comName + '.' + plugName);
                } catch (e) {
                    notInstalledCb();
                    return;
                }
                installedCb();
            }
        };

    AdapterJS.WebRTCPlugin.defineWebRTCInterface = function () {
        AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING;

        AdapterJS.isDefined = function (variable) {
            return variable !== null && variable !== undefined;
        };

        createIceServer = function (url, username, password) {
            var iceServer = null;
            var url_parts = url.split(':');
            if (url_parts[0].indexOf('stun') === 0) {
                iceServer = {
                    'url' : url,
                    'hasCredentials' : false
                };
            } else if (url_parts[0].indexOf('turn') === 0) {
                iceServer = {
                    'url' : url,
                    'hasCredentials' : true,
                    'credential' : password,
                    'username' : username
                };
            }
            return iceServer;
        };

        createIceServers = function (urls, username, password) {
            var iceServers = [];
            for (var i = 0; i < urls.length; ++i) {
                iceServers.push(createIceServer(urls[i], username, password));
            }
            return iceServers;
        };

        RTCSessionDescription = function (info) {
            AdapterJS.WebRTCPlugin.WaitForPluginReady();
            return AdapterJS.WebRTCPlugin.plugin.
            ConstructSessionDescription(info.type, info.sdp);
        };

        RTCPeerConnection = function (servers, constraints) {
            var iceServers = null;
            if (servers) {
                iceServers = servers.iceServers;
                for (var i = 0; i < iceServers.length; i++) {
                    if (iceServers[i].urls && !iceServers[i].url) {
                        iceServers[i].url = iceServers[i].urls;
                    }
                    iceServers[i].hasCredentials = AdapterJS.
                        isDefined(iceServers[i].username) &&
                        AdapterJS.isDefined(iceServers[i].credential);
                }
            }
            var mandatory = (constraints && constraints.mandatory) ?
                constraints.mandatory : null;
            var optional = (constraints && constraints.optional) ?
                constraints.optional : null;

            AdapterJS.WebRTCPlugin.WaitForPluginReady();
            return AdapterJS.WebRTCPlugin.plugin.
            PeerConnection(AdapterJS.WebRTCPlugin.pageId,
                iceServers, mandatory, optional);
        };

        MediaStreamTrack = {};
        MediaStreamTrack.getSources = function (callback) {
            AdapterJS.WebRTCPlugin.callWhenPluginReady(function() {
                AdapterJS.WebRTCPlugin.plugin.GetSources(callback);
            });
        };

        window.getUserMedia = function (constraints, successCallback, failureCallback) {
            constraints.audio = constraints.audio || false;
            constraints.video = constraints.video || false;

            AdapterJS.WebRTCPlugin.callWhenPluginReady(function() {
                AdapterJS.WebRTCPlugin.plugin.
                getUserMedia(constraints, successCallback, failureCallback);
            });
        };
        window.navigator.getUserMedia = window.getUserMedia;

        attachMediaStream = function (element, stream) {
            if (!element || !element.parentNode) {
                return;
            }

            var streamId
            if (stream === null) {
                streamId = '';
            }
            else {
                stream.enableSoundTracks(true);
                streamId = stream.id;
            }

            if (element.nodeName.toLowerCase() !== 'audio') {
                var elementId = element.id.length === 0 ? Math.random().toString(36).slice(2) : element.id;
                if (!element.isWebRTCPlugin || !element.isWebRTCPlugin()) {
                    var frag = document.createDocumentFragment();
                    var temp = document.createElement('div');
                    var classHTML = '';
                    if (element.className) {
                        classHTML = 'class="' + element.className + '" ';
                    } else if (element.attributes && element.attributes['class']) {
                        classHTML = 'class="' + element.attributes['class'].value + '" ';
                    }

                    temp.innerHTML = '<object id="' + elementId + '" ' + classHTML +
                        'type="' + AdapterJS.WebRTCPlugin.pluginInfo.type + '">' +
                        '<param name="pluginId" value="' + elementId + '" /> ' +
                        '<param name="pageId" value="' + AdapterJS.WebRTCPlugin.pageId + '" /> ' +
                        '<param name="windowless" value="true" /> ' +
                        '<param name="streamId" value="' + streamId + '" /> ' +
                        '</object>';
                    while (temp.firstChild) {
                        frag.appendChild(temp.firstChild);
                    }

                    var height = '';
                    var width = '';
                    if (element.getBoundingClientRect) {
                        var rectObject = element.getBoundingClientRect();
                        width = rectObject.width + 'px';
                        height = rectObject.height + 'px';
                    }
                    else if (element.width) {
                        width = element.width;
                        height = element.height;
                    } else {
                        // TODO: What scenario could bring us here?
                    }

                    element.parentNode.insertBefore(frag, element);
                    frag = document.getElementById(elementId);
                    frag.width = width;
                    frag.height = height;
                    element.parentNode.removeChild(element);
                } else {
                    var children = element.children;
                    for (var i = 0; i !== children.length; ++i) {
                        if (children[i].name === 'streamId') {
                            children[i].value = streamId;
                            break;
                        }
                    }
                    element.setStreamId(streamId);
                }
                var newElement = document.getElementById(elementId);
                newElement.onplaying = (element.onplaying) ? element.onplaying : function (arg) {};
                if (isIE) { // on IE the event needs to be plugged manually
                    newElement.attachEvent('onplaying', newElement.onplaying);
                    newElement.onclick = (element.onclick) ? element.onclick : function (arg) {};
                    newElement._TemOnClick = function (id) {
                        var arg = {
                            srcElement : document.getElementById(id)
                        };
                        newElement.onclick(arg);
                    };
                }
                return newElement;
            } else {
                return element;
            }
        };

        reattachMediaStream = function (to, from) {
            var stream = null;
            var children = from.children;
            for (var i = 0; i !== children.length; ++i) {
                if (children[i].name === 'streamId') {
                    AdapterJS.WebRTCPlugin.WaitForPluginReady();
                    stream = AdapterJS.WebRTCPlugin.plugin
                        .getStreamWithId(AdapterJS.WebRTCPlugin.pageId, children[i].value);
                    break;
                }
            }
            if (stream !== null) {
                return attachMediaStream(to, stream);
            } else {
                console.log('Could not find the stream associated with this element');
            }
        };

        RTCIceCandidate = function (candidate) {
            if (!candidate.sdpMid) {
                candidate.sdpMid = '';
            }

            AdapterJS.WebRTCPlugin.WaitForPluginReady();
            return AdapterJS.WebRTCPlugin.plugin.ConstructIceCandidate(
                candidate.sdpMid, candidate.sdpMLineIndex, candidate.candidate
            );
        };

        // inject plugin
        AdapterJS.addEvent(document, 'readystatechange', AdapterJS.WebRTCPlugin.injectPlugin);
        AdapterJS.WebRTCPlugin.injectPlugin();
    };

    // This function will be called if the plugin is needed (browser different
    // from Chrome or Firefox), but the plugin is not installed.
    AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb = AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb ||
        function() {
            AdapterJS.addEvent(document,
                'readystatechange',
                AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv);
            AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv();
        };

    AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv = function () {
        if (AdapterJS.options.hidePluginInstallPrompt) {
            return;
        }

        var downloadLink = AdapterJS.WebRTCPlugin.pluginInfo.downloadLink;
        if(downloadLink) { // if download link
            var popupString;
            if (AdapterJS.WebRTCPlugin.pluginInfo.portalLink) { // is portal link
                popupString = 'This website requires you to install the ' +
                    ' <a href="' + AdapterJS.WebRTCPlugin.pluginInfo.portalLink +
                    '" target="_blank">' + AdapterJS.WebRTCPlugin.pluginInfo.companyName +
                    ' WebRTC Plugin</a>' +
                    ' to work on this browser.';
            } else { // no portal link, just print a generic explanation
                popupString = AdapterJS.TEXT.PLUGIN.REQUIRE_INSTALLATION;
            }

            AdapterJS.renderNotificationBar(popupString, AdapterJS.TEXT.PLUGIN.BUTTON, downloadLink);
        } else { // no download link, just print a generic explanation
            AdapterJS.renderNotificationBar(AdapterJS.TEXT.PLUGIN.NOT_SUPPORTED);
        }
    };

    // Try to detect the plugin and act accordingly
    AdapterJS.WebRTCPlugin.isPluginInstalled(
        AdapterJS.WebRTCPlugin.pluginInfo.prefix,
        AdapterJS.WebRTCPlugin.pluginInfo.plugName,
        AdapterJS.WebRTCPlugin.defineWebRTCInterface,
        AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb);
}

